Method GetSysStats

backend/wireguard/stats.go:154–187

GetSysStats returns system stats for the WireGuard backend

(ctx context.Context)

// GetSysStats returns system stats for the WireGuard backend
func (wg *WireGuard) GetSysStats(ctx context.Context) (*common.BackendStatsResponse, error) {
	wg.mu.RLock()
	state := wg.state
	mgr := wg.manager
	wg.mu.RUnlock()

	if err := lifecycleReadinessError(state); err != nil {
		return nil, err
	}
	if mgr == nil {
		return nil, errWireGuardManagerNotInitialized
	}
	if _, _, err := mgr.GetInterfaceStats(); err != nil {
		return nil, fmt.Errorf("wireguard interface not available: %w", err)
	}

	var memStats runtime.MemStats
	runtime.ReadMemStats(&memStats)

	stats := common.BackendStatsResponse{
		NumGoroutine: uint32(runtime.NumGoroutine()),
		NumGc:        memStats.NumGC,
		Alloc:        memStats.Alloc,
		TotalAlloc:   memStats.TotalAlloc,
		Sys:          memStats.Sys,
		Mallocs:      memStats.Mallocs,
		Frees:        memStats.Frees,
		LiveObjects:  memStats.Mallocs - memStats.Frees,
		PauseTotalNs: memStats.PauseTotalNs,
		Uptime:       uint32(time.Since(wg.startTime).Seconds()),
	}

	return &stats, nil
}